we'll tell you why first lady michelle obama and former president bill clinton are going head to head. you're watching "politicsnation" on msnbc. >>> i just spotted mitt romney at costco again. go ahead and return that oval rug you ordered. [ male announcer ] now's the perfect time to buy an adjustable version of the most highly recommended bed in america. the tempur-pedic ergo system. treat yourself to the ultimate sleep experience and save up to $400 during the tempur ergo savings event. plus visit tempurpedic.com for full details on our 0% apr financing with up to five years to pay. don't wait. five-year special financing ends december 10th. visit tempurpedic.com now. tempur-pedic. the most highly recommended bed in america. >>> have you joined it the "politicsnation" conversation on facebook yet? we hope you will. today everyone was speculating about what jim demint's resignation means with the tea party. he says they are definitely weak tea. susan thinks that they will attempt to brand themselves for 2014. and barbara says, this tea party thing has got to end sooner or later. let